uxcell 6004ZZ Deep Groove Ball Bearings Z2 20mm X 42mm X 12mm Double Shielded Carbon Steel: Amazon.com: Industrial & Scientific
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General Bearing 6004ZZ Single Row Ball Bearing - Locate Ball Bearings
6004 ZZ 20x42x12mm 2Z ZZ ZR Metal Shielded FAG Radial Deep Groove Ball Bearing: Amazon.com: Industrial & Scientific
NTN Bearing 6004ZZ Single Row Deep Groove Radial Ball Bearing, Normal Clearance, Steel Cage, 20 mm Bore ID, 42 mm OD, 12 mm Width, Double Shielded: Amazon.com: Industrial & Scientific
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